$OpenBSD: patch-src_sndhrdw_nes_apu_c,v 1.1 2010/05/20 09:55:22 espie Exp $
--- src/sndhrdw/nes_apu.c.orig	Thu May 20 11:53:26 2010
+++ src/sndhrdw/nes_apu.c	Thu May 20 11:54:17 2010
@@ -1034,10 +1034,13 @@ void apu_process(void *buffer, int num_samples)
          accum = -0x8000;
 
       /* signed 16-bit output, unsigned 8-bit */
-      if (16 == apu->sample_bits)
-         *((int16 *) buffer)++ = (int16) accum;
-      else
-         *((uint8 *) buffer)++ = (accum >> 8) ^ 0x80;
+      if (16 == apu->sample_bits) {
+         *((int16 *) buffer) = (int16) accum;
+	 buffer = (int16 *)buffer + 1;
+      } else {
+         *((uint8 *) buffer) = (accum >> 8) ^ 0x80;
+	 buffer = (uint8 *)buffer + 1;
+      }
    }
 
    /* resync cycle counter */
